SK-II RNA Wand - Jan 2017, page-28

Japan's largest online retailer : Rakuten.

Keep an eye on their powerful product ranking feature. Daily, weekly, monthly, and real-time. By brand and/or product category, or overall.

For example

Daily ranking of all SK-II products :
http://ranking.rakuten.co.jp/daily/...l2-id=Ranking_PC_daily-100944_1000094_1003044

Daily ranking of all eye cream products :
http://ranking.rakuten.co.jp/daily/509843/

If you use Google Chrome, it can translate the pages as you go, allowing you to refine your searches if need be.

Naturally at present, the Magnetic Eye Care Set is nowhere to be found in these rankings. Lets see how that changes over the next days and weeks. Note the "daily" ranking currently reflects the sales from 2 days ago. i.e. the list showing now was compiled on the 20th from sales data on the 19th.

Here is the Magnetic Eye Care Set product page from Rakuten :

http://item.rakuten.co.jp/sk-ii/meye_kit/